import java.util.Arrays;

public class Main {
    public static void main(String[] args) {
        int[][] array = {{1,2,3},{4,5,6}};
        System.out.println(array[0]);
        System.out.println(array[1]);
        System.out.println("=======");
        System.out.println(Arrays.toString(array[0]));
        System.out.println(Arrays.toString(array[1]));
        System.out.println("=======");
        System.out.println(array[0].length);
        System.out.println(array[1].length);
    }
}
